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CIRCES Cost Estimating Software <br />BULLDOZER WORK <br />PROJECT IDENTIFICATION <br />Task # : 007 State : Colorado Permit/job# : C-1981-038 <br />Date : 1210212010 County : Delta Abbreviation : none <br />User: JRS Site: Bowie No. 1 Mine Filename :C038-007 <br />Agency or organization name : Colorado Division Of Reclamation, Mining And Safety <br />Permit or other job action :2010 Midterm Review (MT-6) <br />Task description : Push Fill from East Highwall Zone 4-D to West Zone 4-D <br />HOURLY EQUIPMENT COST <br />Basic machine : Cat D10R - 10SU (2005) Horsepower : 570 <br />Blade type : Semi-Universal <br />Attachment no. 1 : ROPS Cab Shift basis : 1 per day <br />Attachment no. 2:3-shank ripper <br />Data source : (CRG) <br />Utilization % <br />Cost Breakdown : Ownership cost/hour : $89.77 NA <br />Operating cost/hour : $128.30 100 <br />Ripper op. cost/hour : $0.00 0 <br />Operator cost/hour : $38.54 NA <br />Total unit cost/hour : $256.60 Total fleet cost/hour : $1,026.41 <br />MATERIAL QUANTITIES <br />Initial <br />volume : 1.489 <br />Swell <br />CCY factor <br />Source of estimated volume: Map 5C-6A and 8A-2 <br />Source of estimated swell factor : CAT Handbook <br />HOURLY PRODUCTION Job Condition Correction Factors <br />Operator skill : 0.75 <br />Average push distance : 300 feet Material consistency : 0.90 <br />Unadjusted hourly production : 633.3 LCY/hr Dozing method : 1.00 <br />Visibility: 1.00 <br />Material consistency description : Job efficiency : 0.83 <br />Average push gradient : 0.00 % (pos) <br />Average site altitude : 7,300 feet <br />Material weight : 2,900 Ibs/LCY <br />Weight description : <br />Decomposed rock - 50% Rock, 50% Earth <br />JOB TIME AND COST <br />Fleet size : 4 Dozer(s) <br />Unit cost : $1.140 /LCY <br />Loose <br />1.165 volume : 1,735 LCY <br />Spoil pile : 0.80 <br />Push gradient : 1.00 <br />Altitude : 1.00 <br />Material weight : 0.79 <br />Blade type : 1.00 <br />Net correction : 0.36 <br />Adjusted unit production : 225.04 <br />Adjusted fleet production : 900.15 <br />Total job time : 1.93 <br />Total job cost : $1,978 <br />Source <br />(avg.) <br />(avg.) <br />1 shift/da} <br />(fnd-rf) <br />(Cat HB) <br />(Cat HB) <br />(Cat HB) <br />(S/SU/U) <br />LCY/hr <br />LCY/hr <br />Hours